The original finding aid described this as: Description: Photo documentation of the in-flight-maintenance fix of a water leak. Photos show the cavity of the middeck underfloor access space with the lithium hydroxide air purification cannister module removed and Mission Pilot Terrence Henricks in the access space effecting repairs. Mission Commander Steve Nagel and Mission Specialist Jerry Ross assisted in the repair effort. Lithium hydroxide module seen being replaced at end of repair effort. Subject Terms: STS-55, COLUMBIA (ORBITER), MIDDECK, SPACECRAFT MAINTENANCE, FLOORS, HATCHES TANKS (CONTAINERS), CYLINDRICAL TANKS, WATER TANKS, WASTE DISPOSAL AIR FILTERS Date Taken: 5/6/1993 Categories: Crew Activities Interior_Exterior: Interior Ground_Orbit: On-orbit Original: Film - 35MM CN Preservation File Format: TIFF.